Lizard Anatomy

  1. Order and suborder for lizards
    • Order: Squamata
    • Suborder: Sauria
  2. True or False, both upper and lower eyelids are movable
    False, the upper eyelid is immovable
  3. Lizards can shed their tails and regrow them. What is this called?
    caudal autotomy
  4. Shedding of the skin is called
  5. The large scales on the head are called
  6. These contain pheromone secreting integumental glands and are located on the medial aspect of the thigh and hind limb
    femoral pores
  7. This is a large circular plate (scale) located on the head below the ear drum
    subtympanic plate
  8. Lizards exhibit _______ _______ which means they can move their upper jaw independently of the lower jaw
    cranial kinesis
  9. Name 10 bones of the lizard's skull (without the mandible)
    • premaxilla
    • maxilla
    • frontal
    • jugal
    • postorbital
    • parietal
    • squamosal
    • quadrate
    • supraoccipital
    • occipital condyle (single)
  10. This is a tiny "skylight" in the parietal bone covered by a scale
    parietal foramen
  11. The parietal eye/organ is found on the _______ and is associated with the ______ gland.
    epithalamus, pineal
  12. In lower vertebrates, the parietal organ is a ________ organ which regulates _______ _______.
    photoreceptor, circadian rhythms
  13. 5 bones that make up the mandible
    • dentary
    • coronoid
    • surangular
    • angular
    • articular
  14. This is the ventral process of the caudal vertebrae and houses vessels of the tail
    chevron bone
  15. The ventral process of the caudal vertebrae contains a ______ _______ and a _______ ________ which houses the vessels of the tail.
    hemal spine, hemal arch
  16. Site of venipuncture in the lizard
    The tail
  17. What are the two parts of the sternum
    the cranial sternum proper & caudal xiphisternum
  18. Name the three types of ribs and describe their articulations
    • cervical ribs - do not join the sternum
    • vertebral ribs - articulate with the sternum
    • xiphisternal ribs - articulate with the xiphisternum
  19. The tongue is used more for _____
  20. This means the teeth all look the same
  21. This term refers to teeth that are attached to the lingual aspect of the jaw and are continually replaced
  22. This term describes teeth that are attached on both the labial and lingual aspects of the jaw and are not replaced
  23. The bones of the pectoral girdle (5)
    • Suprascapula
    • scapula
    • coracoid
    • interclavicle
    • clavicle
  24. Lizards have a _____ ______ between the small and large intestines
    colic cecum
  25. The 3 regions of the cloaca
    • coprodeum
    • urodeum
    • proctodeum
  26. The heart has how many chambers?
  27. Deoxygenated blood passes from the sinus venosus to the (left/right) atrium, to the (ventral/dorsal) ventricle and then into the _______ _______ leading to the lungs
    right, dorsal, pulmonary trunk
  28. Oxygenated blood returns to the (left/right) atrium via the ________ _______. The blood then passes through the (dorsal/ventral) part of the ventricle and into the _______ and ______ _______ arches.
    • left, pulmonary veins
    • ventral, left & right aortic
  29. In the male, the caudal most region of the kidney makes a contribution to ________.
    seminal fluid
  30. In females, the ______ gland is imbedded in the mesovarium.
  31. Name that penis:
    Reptilia have ________, while Chelonia and Eusuchia have ________.
    hemipenes, phalli
  32. These contain the hemipenes
    hemipenal shafts
Card Set
Lizard Anatomy
lizard anatomy